Remove unused CSS rules

src/vs/editor/browser/widget/media/default-theme.css

@@ -32,18 +32,6 @@
 	box-sizing: border-box;
 }
 
-/* Hover */
-.monaco-editor .typeInfo {
-	font-size: 12px;
-}
-
-.monaco-editor .typeInfo .documentation { font-family: "Segoe UI", "SFUIText-Regular", "HelveticaNeue", sans-serif, "Droid Sans Fallback"; }
-.monaco-editor:lang(zh-Hans) .typeInfo .documentation { font-family: "Segoe UI", "SFUIText-Regular", "HelveticaNeue", "Noto Sans", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Source Han Sans CN", "Source Han Sans", sans-serif; }
-.monaco-editor:lang(zh-Hant) .typeInfo .documentation { font-family: "Segoe UI", "SFUIText-Regular", "HelveticaNeue", "Noto Sans", "Microsoft Jhenghei", "PingFang TC", "Source Han Sans TC", "Source Han Sans", "Source Han Sans TW", sans-serif; }
-.monaco-editor:lang(ja) .typeInfo .documentation { font-family: "Segoe UI", "SFUIText-Regular", "HelveticaNeue", "Noto Sans", "Meiryo", "Hiragino Kaku Gothic Pro", "Source Han Sans J", "Source Han Sans JP", "Source Han Sans", "Sazanami Gothic", "IPA Gothic", sans-serif; }
-.monaco-editor:lang(ko) .typeInfo .documentation { font-family: "Segoe UI", "SFUIText-Regular", "HelveticaNeue", "Noto Sans", "Malgun Gothic", "Nanum Gothic", "Dotom", "Apple SD Gothic Neo", "AppleGothic", "Source Han Sans K", "Source Han Sans JR", "Source Han Sans", "UnDotum", "FBaekmuk Gulim", sans-serif; }
-
-
 /* Line Numbers */
 .monaco-editor .line-numbers {
 	color: #2B91AF;

src/vs/editor/browser/widget/media/editor.css

@@ -202,13 +202,6 @@
 	border-color: #EAEAF2;
 }
 
-/* Hover */
-.monaco-editor.vs .typeInfo {
-	color: blue;
-}
-.monaco-editor.vs .typeInfo .documentation {
-	color: #A21B1B;
-}
 /* ----------- END VS THEME ----------- */
 
 
@@ -290,14 +283,6 @@
 	color: #5A5A5A;
 }
 
-/* Hover */
-.monaco-editor.vs-dark .typeInfo {
-	color: #BBB;
-}
-.monaco-editor.vs-dark .typeInfo .documentation {
-	color: #C07A7A;
-}
-
 /* Diff Editor overview */
 .monaco-diff-editor.vs-dark .diffOverview {
 	background-color: #1E1E1E;

src/vs/languages/json/common/jsonWorker.ts

@@ -339,7 +339,6 @@ export class JSONWorker implements Modes.IExtraInfoSupport {
 		var result:Modes.IComputeExtraInfoResult = {
 			value: '',
 			htmlContent: htmlContent,
-			className: 'typeInfo json',
 			range: range
 		};
 		return result;